wulihong
春芽
共回答了30个问题采纳率：93.3% 举报
1/(X-4)+1/(X-10)=1/(X-8)+1/(X-6)
(X-4)(X-6)(X-8)(X-10)
(X-6)(X-8)(X-10)+(X-4)(X-6)(X-8)=(X-4)(X-6)(X-10)+(X-4)(X-8)(X-10)
(X-6)(X-8)(X-10+X-4)=(X-4)(X-10)(X-6+X-8)
(X-6)(X-8)(2X-14)=(X-4)(X-10)(2X-14)
(X-6)(X-8)=(X-4)(X-10)
X²-14X+48=X²-14X+40
8=0
无解
1年前
1
